噪声与振动控制2018，Vol.38Issue(3)：172-176,5.DOI:10.3969/j.issn.1006-1355.2018.03.033
镍铁渣多孔聚合微粒吸声材料研究及应用
Study and Application of Sound Absorption Properties of Porous Materials with Polymerized Particles Prepared by Waste Ni-Fe Slag
摘要
Abstract
To promote the recycling of Ni-Fe slag-a common industrial solid waste, a novel porous material with polymerized particles for sound-absorbing is prepared by using Ni-Fe slag as raw material, adding gelatinizing agent and using high temperature polymerization process. The novel material can be applied to sound-absorbing barriers to reduce traffic noise pollution. In this study, sound absorption properties of the novel material are tested by using the impedance tube method and the reverberation chamber method. Results show that the novel sound-absorbing material has high sound absorption effects. Especially for low and medium frequencies the sound absorption coefficient NRC can be up to 0.68, which is higher than that for high frequencies. The properties of the novel material are affected by the parameters such as particle size ratio, gelatinizing agent ratio, thickness and cavity size etc. Besides, the sound absorption properties of the sound-absorbing material at low frequency can be significantly improved by enhancing the cavity depth. The novel material can be applied to prevention and control of highway traffic noise pollution.关键词
声学/镍铁渣/多孔吸声材料/吸声性能/交通噪声/声屏障Key words
acoustics/Ni-Fe slag/porous sound-absorption materials/sound absorption properties/traffic noise/sound barrier分类
建筑与水利引用本文复制引用
李云涛,郑双金,毛志刚,陆豫..镍铁渣多孔聚合微粒吸声材料研究及应用[J].噪声与振动控制,2018,38(3):172-176,5.基金项目
广西科学研究与技术开发计划资助项目(桂科攻1598007-7) （桂科攻1598007-7）
广西自然科学基金资助项目(2016GXNSFAA380065) （2016GXNSFAA380065）
广西珍稀濒危动物生态学重点实验室研究基金资助项目(桂科能1402k009) （桂科能1402k009）
